JFBConnect display error when logged in with different FB profile.

First off, I'm glad you're liking JFBConnect so much! We'll definitely be continuing it's development and are anticipating the Joomla 3.x compatible release will be out in early January. The next 'big' release (due out on Wednesday) will be the last to support Joomla 1.5. Then we will support Joomla 2.x-3.x for the foreseeable future.

As for the issue you're having, that's a common error message with the Comments box, although I've never seen it expressed so poorly on the page. Usually, it's a cleaner looking message simply letting the user know that they are logged in as a Page and not into a profile account. Pages can't make comments, so you just need to 'switch' to your personal profile to make one.

As for disabling that feature, that's not possible. However, can you point me to the URL where we can see the comment box? I'd love to see if there's something obvious I can help diagnose so that the message is a lot cleaner, as it should be.

Thanks,
Alex

Eng,
Thanks for the link. Facebook looks to have updated who their Subscribe and Like-Box/Fan module (and other social widgets) look when you're logged in as a Page. Unfortunately, we don't have any control over that view and there's no way for us to detect the user is logged in as a Page instead of a user profile when they visit your site.

I've found multiple reports of this issue going back over a year ago. It's something we knew could be a problem, but I'm not sure why it's starting to look so bad. If nothing else, I'd think it would get better-looking with the error message. Either way though, there's not really anything I can do to help fix it. Your friend can try using the Like-Box creation tool on Facebook itself, and I think you'll see the same behavior. It doesn't solve the problem, but if they see the same thing, it will re-enforce that that's the expected, albeit ugly, behavior that Facebook provides:
developers.facebook.com/docs/reference/plugins/like-box/

The good news is that most people do not navigate with the "Use as Page" option in Facebook, and those that do are used to the issue.

Hope that helps explain, and best of luck,
Alex